Home / 1,128,188.52-1,556,873.46-618,886.44

Finding the Fourth Proportional to 1,128,188.52, 1,556,873.46 and 618,886.44

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Solution

The fourth proportional to 1,128,188.52, 1,556,873.46 and 618,886.44 is: 854,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,188.52 : 1,556,873.46 = 618,886.44 : x
  2. Step 2: Convert to fraction form
    1,128,188.52/1,556,873.46 = 618,886.44/x
  3. Step 3: Cross multiply
    1,128,188.52x = 1,556,873.46 × 618,886.44
  4. Step 4: Simplify right side
    1,128,188.52x = 963,527,873,189.88
  5. Step 5: Solve for x
    x = 963,527,873,189.88/1,128,188.52
  6. Step 6: Final answer
    x = 854,048.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.